Operating instructions

Pivot the control unit down to carry out commissioning and
maintenance work
1. Open flap A.
2. Releas e the side clo sures B and
pivot control unit C forward.
3. Releas e the side screws and pi vot
control unit C down with its retain-
ing frame D.
Function sequence and possible faults
For further details regarding faults, see page 74.
Display sc reen Remedy
Control unit
issues a heat
demand
No
Set value
Further details regarding the individual steps (cont.)
10
Initial start-up, inspection, maintenance
5692 548 GB